Original Grain’s founders Andrew Beltran, left, and his brother, Ryan Beltran saw their watch business grow once they brought on strategic partners with experience in starting companies.

Original Grain’s founders Andrew Beltran, left, and his brother, Ryan Beltran saw their watch business grow once they brought on strategic partners with experience in starting companies. Photo by Jamie Scott Lytle.

— A San Diego-based watch company started by two 20-something brothers from Oregon is poised to grow its revenue by 150 percent this year following a partnership with Major League Baseball that led to the production of limited-edition watches using wood from old Yankee Stadium seats...